Pith Number

pith:BPRB2TDQ

pith:2018:BPRB2TDQ3I7B6FSEDMG55GOABR

not attested not anchored not stored refs pending

CO envelope of the symbiotic star R Aqr seen by ALMA

S. Liljegren, S. Mohamed, S. Ramstedt, T. Khouri, T. Olander, W.H.T. Vlemmings

arxiv:1806.04979 v1 · 2018-06-13 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPRB2TDQ3I7B6FSEDMG55GOABR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:08:06.488594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be21d4c70da3e1f16441b0dde99c00c450ecaf9a6a9ead39089042004589fa0

Aliases

arxiv: 1806.04979 · arxiv_version: 1806.04979v1 · doi: 10.48550/arxiv.1806.04979 · pith_short_12: BPRB2TDQ3I7B · pith_short_16: BPRB2TDQ3I7B6FSE · pith_short_8: BPRB2TDQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BPRB2TDQ3I7B6FSEDMG55GOABR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0be21d4c70da3e1f16441b0dde99c00c450ecaf9a6a9ead39089042004589fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18ee28b2a93acf4b66d790cef17c16a2f228c6ba98b4a3d6e95b5d408688ccb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-13T12:29:31Z",
    "title_canon_sha256": "a824c4f36050b0ad5d9ae18e13b5db1e8130f20308955bae1cfdc62fec00afcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04979",
    "kind": "arxiv",
    "version": 1
  }
}